document.write( "Question 890504: How much of each of a 20% alcohol solution and a 45% alcohol solution must be mixed together to get 30 liters of a 40% alcohol solution? \n" ); document.write( "
Algebra.Com's Answer #539148 by lwsshak3(11628)\"\" \"About 
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How much of each of a 20% alcohol solution and a 45% alcohol solution must be mixed together to get 30 liters of a 40% alcohol solution?
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\n" ); document.write( "let x=amt of 20% solution to mix
\n" ); document.write( "30-x=amt of 45% solution to mix
\n" ); document.write( "..
\n" ); document.write( "20%x+45%(30-x)=40%*30
\n" ); document.write( ".20x+13.5-.45x=12
\n" ); document.write( ".25x=1.5
\n" ); document.write( "x=6
\n" ); document.write( "30-x=24
\n" ); document.write( "amt of 20% solution to mix=6 liters
\n" ); document.write( "amt of 45% solution to mix=24 liters
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